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2012 Fiscal Year Final Research Report

Particle acceleration and magnetic field amplification at cosmic-ray modified shocks

Research Project

  • PDF
Project/Area Number 22740118
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Astronomy
Research InstitutionThe University of Tokyo (2012)
Nagoya University (2010-2011)

Principal Investigator

AMANO Takanobu  東京大学, 大学院・理学系研究科, 助教 (00514853)

Project Period (FY) 2010 – 2012
Keywords宇宙線 / プラズマ / 衝撃波 / 粒子加速 / 超新星残骸
Research Abstract

We have discussed the nonlinear feedback of cosmic rays in connection with the injection problem. By using numerical simulations and theoretical analysis, we have proposed a new injection model that can explain existing observations very well. We have also studied the stability of the cosmic ray modified shocks. In addition, we have found that a novel modified shock forms due to intense electromagnetic waves in a relativistic shock.

  • Research Products

    (24 results)

All 2013 2012 2011 2010

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (14 results)

  • [Journal Article] The Role of Superluminal Electromagnetic Waves in Pulsar Wind Termination Shocks2013

    • Author(s)
      Amano, T., Kirk, J.G
    • Journal Title

      Astrophys. J.

      Volume: 770 Pages: 18

    • Peer Reviewed
  • [Journal Article] Multi-moment advection scheme in three dimension for Vlasov simulations of magnetized plasma2013

    • Author(s)
      Minoshima, T., Matsumoto, Y., Amano, T
    • Journal Title

      J. Comput. Phys

      Volume: 236 Pages: 81-95

    • Peer Reviewed
  • [Journal Article] Electron Accelerations at High Mach Number Shocks: Two-Dimensional Particle-in-Cell Simulations inVarious Parameter Regimes2012

    • Author(s)
      Matsumoto, Y., Amano, T., Hoshino, M
    • Journal Title

      Astrophys. J

      Volume: 755 Pages: 109

    • Peer Reviewed
  • [Journal Article] A Numerical Electromagnetic Linear Dispersion Relation for Maxwellian Ring-Beam Velocity Distributions2012

    • Author(s)
      Umeda, T., Matsukiyo, S., Amano, T., Miyoshi, Y
    • Journal Title

      Phys. Plasmas

      Volume: 19 Pages: 072107

    • Peer Reviewed
  • [Journal Article] Recent Progress in the Theory of Electron Injection in Collisionless Shocks2012

    • Author(s)
      Amano, T., Hoshino, M
    • Journal Title

      Astrophys. Space Sci. Proc

      Volume: 33 Pages: 143-152

    • Peer Reviewed
  • [Journal Article] Molecular and Atomic Gas toward HESS J1745-303 in the Galactic Center: Further Support for the Hadronic Scenario2012

    • Author(s)
      Hayakawa, T., Torii, K., Enokiya, R., Amano, T., Fukui, Y
    • Journal Title

      Publ. Astron. Soc. Jpn

      Volume: 64 Pages: 8

    • Peer Reviewed
  • [Journal Article] Stochastic Acceleration of Cosmic Rays in the Central Molecular Zone of the Galaxy2011

    • Author(s)
      Amano, T., Torii, K., Hayakawa, T., Fukui, Y
    • Journal Title

      Publ. Astron. Soc. Jpn

      Volume: 63 Pages: L63-L66

    • Peer Reviewed
  • [Journal Article] Multi-Moment Advection Scheme for Vlasov Simulations2011

    • Author(s)
      Minoshima, T., Matsumoto, Y., Amano, T
    • Journal Title

      J. Comput. Phys

      Volume: 230(17) Pages: 6800-6823

    • Peer Reviewed
  • [Journal Article] Self-consistent Kinetic Numerical Simulation Model for Ring Current Particles in the Earth's Inner Magnetosphere2011

    • Author(s)
      Amano, T., Seki, K., Miyoshi, Y., Umeda, T., Matsumoto, Y., Ebihara, Y., Saito, S.
    • Journal Title

      J. Geophys. Res

      Volume: 116 Pages: A02216

    • Peer Reviewed
  • [Journal Article] A Critical Mach Number for Electron Injection in Collisionless Shocks2010

    • Author(s)
      Amano, T., Hoshino, M
    • Journal Title

      Phys. Rev. Lett

      Volume: 104 Pages: 181102

    • Peer Reviewed
  • [Presentation] 相対論的電磁変性衝撃波の構造と電磁エネルギー散逸2013

    • Author(s)
      天野孝伸,J.Kirk
    • Organizer
      日本物理学会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-27
  • [Presentation] Structure of Relativistic Shock Modified by Nonlinear Superluminal Waves2013

    • Author(s)
      Amano, T., Kirk, J. G.
    • Organizer
      Nonlinear Waves and Chaos Workshop 9
    • Place of Presentation
      La Jolla, USA
    • Year and Date
      2013-03-07
  • [Presentation] 相対論的電磁変性衝撃波の構造2012

    • Author(s)
      天野孝伸,J.Kirk
    • Organizer
      日本地球電磁気・地球惑星圏学会講演会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2012-10-21
  • [Presentation] パルサー風の終端衝撃波における電磁エネルギーの散逸2012

    • Author(s)
      天野孝伸,J.Kirk
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      大分大学
    • Year and Date
      2012-09-20
  • [Presentation] 相対論的衝撃波における電磁場エネルギーの散逸2012

    • Author(s)
      天野孝伸,J.Kirk
    • Organizer
      日本地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2012-05-22
  • [Presentation] Self-consistent Drift-kinetic Numerical Ring-current Modeling : Five-dimensional Vlasov-Maxwell Approach2012

    • Author(s)
      Amano, T., Seki, K. Miyoshi, Y., Umeda, T., Matsumoto, Y., Ebihara, Y., Saito,S.
    • Organizer
      Inner Magnetosphere Coupling II (IMC II)
    • Place of Presentation
      Los Angeles, USA
    • Year and Date
      2012-03-20
  • [Presentation] Self-consistent Kinetic Ring Current Modeling : The GEMSIS-RC Code2012

    • Author(s)
      Amano, T., Seki, K. Miyoshi, Y., Umeda, T., Matsumoto, Y., Ebihara, Y., Saito, S.
    • Organizer
      GEMSIS International Workshop
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2012-03-12
  • [Presentation] Nonthermal Electron Acceleration and Injection in Collisionless Shocks2011

    • Author(s)
      Amano, T., Hoshino, M
    • Organizer
      International Astrophysics Forum Alpbach (IAFA) 2011
    • Place of Presentation
      Alpbach, Austria
    • Year and Date
      2011-06-24
  • [Presentation] Kinetic and Self-consistent Numerical Modeling of the Terrestrial Inner Magnetosphere2011

    • Author(s)
      Amano, T., Seki, K. Miyoshi, Y., Umeda, T., Matsumoto, Y., Ebihara, Y., Saito, S.
    • Organizer
      6th International Conference on Numerical Modeling of Space Plasma Flows (ASTRONUM 2011)
    • Place of Presentation
      Valencia, Spain
    • Year and Date
      2011-06-17
  • [Presentation] イオンスケール揺らぎ存在下における電子の衝撃波ドリフト加速の効率2011

    • Author(s)
      天野孝伸
    • Organizer
      日本地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2011-05-25
  • [Presentation] Development of a FullySelf-consistent Numerical Simulation Model for Ring Current Dynamics in the Inner Magnetosphere2010

    • Author(s)
      Amano, T., Seki, K., Miyoshi, Y., Umeda, T., Matsumoto, Y., Ebihara, Y., Saito, S.
    • Organizer
      AGU Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2010-12-13
  • [Presentation] 揺らいだ衝撃波面におけるドリフト加速2010

    • Author(s)
      天野孝伸
    • Organizer
      日本地球電磁気・地球惑星圏学会講演会
    • Place of Presentation
      沖縄県市町村自治会館
    • Year and Date
      2010-11-01
  • [Presentation] Electron Acceleration and Injection by Whistler Waves in Collisionless Shocks2010

    • Author(s)
      Amano, T., Hoshino, M.
    • Organizer
      2010International Space Plasma Symposium
    • Place of Presentation
      Tinan, Taiwan
    • Year and Date
      2010-06-28
  • [Presentation] 無衝突衝撃波における電子注入の臨界マッハ数2010

    • Author(s)
      天野孝伸,星野真弘
    • Organizer
      日本地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2010-05-23

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Published: 2014-08-29  

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